Dihexa 1401708 83 5 BGC70883 Biosynth Frontiers Hepatocyte growth factor mimetic protects lateral line hair cells from aminoglycoside exposure Frontiers Hepatocyte growth factor mimetic protects lateral line hair cells from aminoglycoside exposure Dihexa (also known as PNB 0408) is an experimental small molecule derived from angiotensin IV. It was engineered to cross the bloodbrain barrier and has shown synaptogenic effects in preclinical models. The often quoted I guess it's time to grow I've been using Dihexa in the mornings for the last few months to help with my mental focus and keep me locked in during the Dihexa CAS# 1401708 83 5. CAS# 1401708 83 5 Xcess Biosciences